.clearfix:after {
    display: table;
    content: "";
    clear: both;
}
li{
    list-style: none;
}
a{
    text-decoration: none;
    color: black;
}
a:hover{
    text-decoration: underline;
    color: #00bfff;
}
.fl{
    float: left;
}
.fr{
    float: right;
}
.bon{
    width: 990px;
    margin: 0px auto;
}
.bon .redian{
    width: 600px;
}
.redian {
    margin-right: 60px;
}
.redian ul{
    margin-left: -50px;
}
.redian li{
    margin-left: 24px;
    text-align: center;
}
.bon .huati{
    margin-top: 20px;
    margin-left: -30px;
}
.tansuo{
    width: 990px;
    margin: 0px auto;
    margin-top: 20px;
}
.tansuo span{
    font-size: 24px;
}
.tansuo img{
    margin-bottom: -10px;
}